# Commenting on process models

> Add and manage comments anchored to specific elements on process models in Automation Hub to support collaborative review and discussion.

Access to commenting on process models depends on the cloud platform you use. For details, refer to [Feature availability](https://docs.uipath.com/automation-hub/automation-cloud/latest/user-guide/feature-availability).

Add comments anchored to specific elements on process models to discuss and review the model directly in Automation Hub.

## Adding a comment

1. Open the process model in the process model editor.
2. Select the element you want to comment on — a task, event, gateway, pool, lane, or flow.
3. Open the **Comments** panel from the right-side toolbar.
4. Enter your comment. Use **@** to mention a user or group.
5. Select **Submit**.

The comment is anchored to the selected element and visible to all users with access to the business process entry.

## Replying to a comment

1. Select the comment you want to reply to.
2. Select **Reply**.
3. Enter your reply.
4. Select **Submit**.